Inventor · disambiguated record
Robert F. Christian
Also filed as: CHRISTIAN ROBERT · CHRISTIAN ROBERT F · CHRISTIAN ROBERT FRANCIS
7 granted patents·159 citations·filing 1975–1992
87Inventor score
Top patents by PatentIndex Score
7 records- 0189US4504222AScrew conveyer and furnaceJUDE ENGINEERING INC·Filed 1983·Granted Mar 12, 1985·48 cites·1 claims
- 0268US5417492AApparatus for continuously mixing and electrically heating flowable materials conveyed by a pair of rotatable screwsCHRISTIAN ENGINEERING·Filed 1992·Granted May 23, 1995·50 cites·11 claims
- 0366US4040768AMixing, conveying heating and/or cooling apparatusJUDE ENGINEERING INC·Filed 1975·Granted Aug 9, 1977·25 cites·4 claims
- 0451US4408944AConveyor for removal of bed drain material from a coal-burning fluidized bed combustorJUDE ENGINEERING INC·Filed 1980·Granted Oct 11, 1983·13 cites·2 claims
- 0545US4530432AScrew conveyerJUDE ENGINEERING INC·Filed 1983·Granted Jul 23, 1985·8 cites·4 claims
- 0643US4374039AAnticlumping products and treatments based on amin saltsPRODUITS IND CIE FSE·Filed 1980·Granted Feb 15, 1983·5 cites·30 claims
- 0743US4297208AInclined helical flight conveyorJUDE ENGINEERING INC·Filed 1980·Granted Oct 27, 1981·10 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →